* {@link jcifs.Configuration#getNotifyBufferSize()}).
     * If the server cannot fulfill the request because the changes did not fit the buffer
     * it will return an empty list of changes.
     * 
     * @return changes since the last invocation
     * @throws CIFSException
     */
    List<FileNotifyInformation> watch () throws CIFSException;


    /**
     * {@inheritDoc}

    private KerberosEncData encData;


    public KerberosTicket ( byte[] token, byte apOptions, KerberosKey[] keys ) throws PACDecodingException {
        if ( token.length <= 0 )
            throw new PACDecodingException("Empty kerberos ticket");

        ASN1Sequence sequence;
        try {
            try ( ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token)) ) {

        "The Uid is not known as a valid user identifier on this session.",
        "The pipe has been ended.",
        "The filename, directory name, or volume label syntax is incorrect.",
        "The directory is not empty.",
        "Cannot create a file when that file already exists.",
        "All pipe instances are busy.",
        "The pipe is being closed.",
        "No process is on the other end of the pipe.",

    /**
     * 
     * @return encoded SID
     */
    public byte[] toByteArray () {
        return toByteArray(this);
    }


    /**
     * 
     * @return whether the SID is empty (no sub-authorities)
     */
    public boolean isEmpty () {
        return this.sub_authority_count == 0;
    }


    /**
     * 
     * @return whether the SID is blank (all sub-authorities zero)

            Smb2QueryDirectoryResponse qr = query.getResponse();

            if ( qr != null && qr.isReceived() && qr.getStatus() == NtStatus.NT_STATUS_NO_SUCH_FILE ) {
                // this simply indicates an empty listing
                doClose();
                return null;
            }

            throw e;
        }
        this.fileId = createResp.getFileId();
        this.response = query.getResponse();

    /**
     * Return the sAMAccountName of this SID unless it could not
     * be resolved in which case the numeric RID is returned. If this
     * SID is a domain SID, this method will return an empty String.
     * 
     * @return the account name
     */
    String getAccountName ();


    /**
     * Return the domain name of this SID unless it could not be

        return dr;
    }


    /*
     * Split DFS path like \fs1.example.com\root5\link2\foo\bar.txt into at
     * most 3 components (not including the first index which is always empty):
     * result[0] = ""
     * result[1] = "fs1.example.com"
     * result[2] = "root5"
     * result[3] = "link2\foo\bar.txt"
     */
    private static int dfsPathSplit ( String path, String[] result ) {

        return this.pointer;
    }


    public String check ( String string ) throws PACDecodingException {
        if ( this.pointer == 0 && string != null )
            throw new PACDecodingException("Non-empty string");

        int expected = this.length / 2;
        if ( string.length() != expected ) {
            throw new PACDecodingException("Invalid string length, expected " + expected + ", have " + string.length());
        }

        Set<Object> privCreds = new HashSet<>();
        privCreds.add(ticket);
        return new Subject(false, new HashSet<>(Arrays.asList((Principal) principal)), Collections.EMPTY_SET, privCreds);
    }


    private static KerberosTicket getKerberosTicket ( KeyTab keytab, final KerberosPrincipal principal )
            throws Asn1Exception, KrbException, IOException {

                    flags &= (0xffffffff ^ NTLMSSP_REQUEST_TARGET);
                }
            }
            if (targetInformation != null) {
                flags |= NTLMSSP_NEGOTIATE_TARGET_INFO;
                // empty context is needed for padding when t.i. is supplied.
                if (context == null) context = new byte[8];
            }
            int data = 32;
            if (context != null) data += 8;